The following table details the insider trading activities
(stock purchases, stock sales, and stock option exercises) of Schafer Douglas M. Jr since 2026.
This trader's CIK number is 2079445.
At the time of last reporting, Schafer Douglas M. Jr was the EVP and CIO of Miami International Holdings, Inc.. (stock ticker symbol MIAX).
Also see all insider trading activities at Miami International Holdings, Inc..
| Insider Buying | Insider Sales | Option Exercises | |||||
|---|---|---|---|---|---|---|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
| 2026 | MIAX | 0 | $0 | 48,000 | $1,907,520 | 48,000 | $576,000 |
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|---|---|---|---|---|
| 2026-03-17 | MIAX | Sale | 48,000 | 39.74 | 1,907,520 |
| 2026-03-17 | MIAX | Option Ex | 48,000 | 12.00 | 576,000 |
Insider trading activities including stock purchases, stock sales, and option exercises listed in the above table cannot be completely guaranteed as to their accuracy. For more information regarding the trades made by Schafer Douglas M. Jr (EVP and CIO of Miami International Holdings, Inc. at the time of this reporting) see the Securities and Exchange Commission (SEC) website.